Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45557

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:234c4f4c7bd7bd670c850ad6f51b5b0e65458f022c9f20bdf625b4bd5f9f8577
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/metrics/0/cvssV3_1
cwe · 3 assertions

{"cweId":"CWE-405","description":"CWE-405 Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-406","description":"CWE-406 Insufficient Control of Network Message Volume (Network Amplification)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/2/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"DNS Server","vendor":"Technitium","versions":[{"lessThan":"15.0","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"15.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-405","description":"CWE-405 Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-406","description":"CWE-406 Insufficient Control of Network Message Volume (Network Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/problemTypes/2/descriptions/0

Source references

3 source assertions
{"name":"url","tags":["patch"],"url":"https://github.com/TechnitiumSoftware/DnsServer/blo/master/CHANGELOG.md#version-150"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/references/0
{"name":"url","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-138-02.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/references/1
{"name":"url","url":"https://www.cve.org/CVERecord?id=CVE-2026-45557"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8998a1e5d038b8e0caefaa1a429edc02be286fce52966cb12257e217e7c371a · sha256:acdf13111f642827… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer